#!/usr/bin/env python
# -*- coding:utf-8 -*-

from bs4 import BeautifulSoup
import bs4
import requests

def getHTMLText(url):
    try:
        r = requests.get(url, timeout = 30)
        r.raise_for_status()
        r.encoding = r.apparent_encoding
        return r.text
    except:
        return ''

def fillUnivList(ulist, html):
    soup = BeautifulSoup(html, 'html.parser')
    for tr in soup.find('tbody').children:
        if isinstance(tr, bs4.element.Tag):
            tds = tr('td')
            ulist.append([tds[i].string for i in (0,1,3)])

def printUnivList(ulist, num):
    print('{:^10}\t{:^16}\t{:^10}'.format('排名', '学校名称', '总分'))
    for i in range(num):
        u = ulist[i]            
        print('{:^10}\t{:^16}\t{:^10}'.format(*u))
    print('Suc' + str(num))

def main():
    uinfo = []
    url = 'http://www.zuihaodaxue.cn/zuihaodaxuepaiming2016.html'
    html = getHTMLText(url)
    fillUnivList(uinfo, html)
    printUnivList(uinfo, 20)

if __name__ == '__main__':
    main()

if 0:
    r = requests.get('http://www.zuihaodaxue.cn/zuihaodaxuepaiming2016.html')
    r.encoding = r.apparent_encoding
    #print(r.text)

    soup = BeautifulSoup(r.text, 'html.parser')
    print(soup)
